fn absent<'a, FieldIdx, VariantIdx, F>(fields: &IndexSlice<FieldIdx, F>) -> boolwhere
FieldIdx: Idx,
VariantIdx: Idx,
F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + Debug,
fn absent<'a, FieldIdx, VariantIdx, F>(fields: &IndexSlice<FieldIdx, F>) -> boolwhere
FieldIdx: Idx,
VariantIdx: Idx,
F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + Debug,